CN107477173B - Gearbox lubricating system and gearbox and helicopter using same - Google Patents
Gearbox lubricating system and gearbox and helicopter using same Download PDFInfo
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- CN107477173B CN107477173B CN201710868588.6A CN201710868588A CN107477173B CN 107477173 B CN107477173 B CN 107477173B CN 201710868588 A CN201710868588 A CN 201710868588A CN 107477173 B CN107477173 B CN 107477173B
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- gear shaft
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- input
- guide pipe
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- 230000001050 lubricating effect Effects 0.000 title abstract description 9
- 239000010687 lubricating oil Substances 0.000 claims abstract description 29
- 238000005461 lubrication Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 13
- 239000003921 oil Substances 0.000 abstract description 21
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 239000012466 permeate Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/041—Combinations of toothed gearings only for conveying rotary motion with constant gear ratio
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/038—Gearboxes for accommodating bevel gears
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The application discloses gearbox lubrication system, including first pipe (1), second pipe (2), the one end of first pipe (1), second pipe (2) sets up respectively on first gearbox (3) that link to each other with main shaft (5), the other end of first pipe (1), second pipe (2) sets up respectively on second gearbox (4) that link to each other with the power supply, first gearbox (3) with second gearbox (4) pass through gear engagement. The invention also provides a gearbox and a helicopter using the lubricating system. According to the lubricating device, the first guide pipe and the second guide pipe are arranged to circulate lubricating oil in the two gearboxes, so that the lubrication in the whole gearboxes is more sufficient; meanwhile, the internal pressure of the gearbox can be balanced, the pressure on the sealing piece and the joint of the gearbox is reduced, and the risk of oil leakage of the gearbox is reduced.
Description
Technical Field
The application relates to the technical field of helicopters, in particular to a gearbox lubrication system applied to the field of helicopters, and a gearbox and a helicopter using the lubrication system.
Background
The unmanned plane is called a helicopter for short, and is a unmanned plane which is controlled by using radio remote control equipment and a self-contained program control device. Compared with a manned aircraft, the helicopter has the advantages of small volume, low manufacturing cost, convenient use, low environmental requirement and the like, and is widely applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer shooting, express delivery transportation, disaster rescue, wild animal observation, infectious disease monitoring, mapping, news reporting, electric power inspection, disaster relief and the like.
The gearbox of the helicopter is used as one of core components of the helicopter and is a connecting piece between the power unit and the execution unit, and plays roles of transmitting power and changing rotating speed. During the use process of the gearbox of the helicopter, lubricating oil is needed to lubricate the whole gearbox, and how to lubricate the whole gearbox by using the lubricating oil ensures the normal operation of the gearbox is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
To solve the above technical problems, a first object of the present invention is to provide a transmission lubrication system; a second object of the present invention is to provide a gearbox using the above lubrication system; a third object of the invention is to provide a helicopter using the gearbox described above. According to the lubricating device, the first guide pipe and the second guide pipe are arranged to circulate lubricating oil in the two gearboxes, so that the lubrication in the whole gearboxes is more sufficient; meanwhile, the internal pressure of the gearbox can be balanced, the pressure on the sealing piece and the joint of the gearbox is reduced, and the risk of oil leakage of the gearbox is reduced.
The technical scheme provided by the invention is as follows:
the utility model provides a gearbox lubricating system, includes first pipe, second pipe, the one end of first pipe, second pipe sets up respectively on the first gearbox that links to each other with the main shaft, the other end of first pipe, second pipe sets up respectively on the second gearbox that links to each other with the power supply, first gearbox with the second gearbox passes through gear engagement.
Preferably, one ends of the first guide pipe and the second guide pipe are respectively arranged at the upper part of the first gearbox, and the other ends of the first guide pipe and the second guide pipe are respectively arranged at two sides of the second gearbox.
Preferably, the first gearbox specifically comprises a transition gear shaft arranged in the first gearbox, one end of the transition gear shaft is fixedly connected with a bevel gear, and the bevel gear is meshed with the second gearbox; the other end of the transition gear shaft is respectively meshed with an upper fluted disc and a steering gear, the steering gear is meshed with a lower fluted disc, and the upper fluted disc and the lower fluted disc are fixedly connected with the main shaft.
Preferably, the connection between the first conduit and the first gearbox and the connection between the second conduit and the first gearbox are respectively arranged on the first gearbox body above the upper fluted disc.
Preferably, the box body of the first gearbox 1 comprises an upper box body and a lower box body, the upper box body is detachably connected with the lower box body, and the connection part of the first guide pipe and the first gearbox and the connection part of the second guide pipe and the first gearbox are respectively arranged on the upper box body of the first gearbox.
Preferably, the second gearbox specifically comprises an input wheel connected with the power source, the input wheel is fixedly connected with an input gear shaft, the input gear shaft is meshed with an output gear shaft, an input bevel gear is fixedly connected on the output gear shaft, and the input bevel gear is meshed with the bevel gear of the first gearbox.
Preferably, the connection between the first conduit and the second gearbox is arranged on one side of the second gearbox at the meshing position of the input gear shaft and the output gear shaft, and the connection between the second conduit and the second gearbox is arranged on the other side of the second gearbox at the meshing position of the input gear shaft and the output gear shaft.
Preferably, the first gearbox is fixedly connected with the second gearbox.
A gearbox comprising the gearbox lubrication system described above.
A helicopter comprises the gearbox.
The split gearbox comprises a first gearbox and a second gearbox, and when the first gearbox and the second gearbox are used together, two-stage speed reduction is realized; according to actual conditions, the first speed changing box can be used for primary speed reduction, so that the quick variable adjustment of the rotating speed of the main shaft of the helicopter is realized, and the helicopter is suitable for different working conditions and requirements. In order to realize the rapid adjustment of the rotating speed of the main shaft of the helicopter, the inventor uses a split gearbox, however, when the split gearbox is used, oil leakage of the gearbox is caused due to the effect of pressure, and the service life of the helicopter is reduced.
The split type gearbox is meshed with the first gearbox through a gear, power is input by the second gearbox and is transmitted to the first gearbox through the gear, and then is transmitted to the main shaft of the helicopter through the first gearbox, so that speed change and transmission of power are realized. In actual operation, the lubricating oil in the first gearbox permeates into the second gearbox through parts such as gears, and because power is transmitted from the second gearbox, the pressure in the second gearbox is larger, the lubricating oil is accumulated in the second gearbox, and because of the effect of the pressure, the sealing element and the box gap of the second gearbox are pressurized, and the phenomenon of oil leakage easily occurs in the second gearbox.
The inventor carefully studies the oil leakage phenomenon of the split type gearbox, and found that the oil leakage problem is caused by the fact that lubricating oil in the first gearbox can infiltrate into the second gearbox, and the oil leakage phenomenon is generated under the action of pressure. The gearbox lubrication system is particularly suitable for lubrication of the split gearbox. Through setting up two pipes for the second gearbox not only plays the effect of changing the speed reduction ratio, still has the function of gear pump simultaneously, and it can be through the pipe of one side (like first pipe), extract lubricating oil in the follow first gearbox, the pipe of rethread opposite side (like second pipe) flows back to in the big gearbox, form the lubrication system of closed loop, make lubricating oil flow through each corner of first gearbox, second gearbox, it is more abundant to lubricate, alleviate the accumulation of pressure and lubricating oil in the second gearbox simultaneously, utilize the pressure of second gearbox, in with the timely direction back first gearbox of lubricating oil, can realize lubricated effect, can prevent the emergence of oil leak problem again.
Meanwhile, the rotation speed of the gears in the second gearbox is higher than that of the gears in the first gearbox, and the space is smaller, so that the pressure in the second gearbox is higher than that in the first gearbox, the pressure in the second gearbox can be reduced by the guide pipe, the pressure difference is reduced, the pressures in the first gearbox and the second gearbox are balanced, the pressure and damage to the sealing element in the second gearbox are reduced, and the oil leakage phenomenon is avoided.
The invention also provides a gearbox and a helicopter using the lubricating system.
The invention sets the first conduit and the second conduit on the upper part of the first gearbox and on two sides of the second gearbox, and circulates the lubricating oil in the two gearboxes through the gear pump formed by the input gear shaft and the output gear shaft in the second gearbox, so that the lubrication in the whole gearbox is more sufficient. Meanwhile, the first guide pipe and the second guide pipe can balance the internal pressure of the gearbox, reduce the pressure on the sealing element and the joint of the gearbox and reduce the risk of oil leakage of the gearbox.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a transmission lubrication system according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a transmission lubrication system according to an embodiment of the present invention;
FIG. 3 is a schematic front view of a transmission lubrication system according to an embodiment of the present invention;
reference numerals: 1-a first conduit; 2-a second conduit; 3-a first gearbox; 301-a transition gear shaft; 302-bevel gears; 303-upper fluted disc; 304-a lower fluted disc; 4-a second gearbox; 401-input wheel; 402-an input gear shaft; 403-output gear shaft; 404-input bevel gear; 5-main shaft.
Detailed Description
In order to better understand the technical solutions in the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
As shown in fig. 1 to 3, an embodiment of the present invention provides a lubrication system for a gearbox, which includes a first conduit 1 and a second conduit 2, wherein one ends of the first conduit 1 and the second conduit 2 are respectively disposed on a first gearbox 3 connected to a main shaft 5, the other ends of the first conduit 1 and the second conduit 2 are respectively disposed on a second gearbox 4 connected to a power source, and the first gearbox 3 and the second gearbox 4 are meshed through gears.
The split gearbox comprises a first gearbox 3 and a second gearbox 4, and is subjected to two-stage deceleration when the first gearbox 3 and the second gearbox 4 are combined; according to actual conditions, the first gearbox 3 is used for primary speed reduction, so that the quick variable adjustment of the rotating speed of the main shaft 5 of the helicopter is realized, and the helicopter is suitable for different working conditions and requirements. In order to realize the rapid adjustment of the rotating speed of the main shaft 5 of the helicopter, the inventor uses a split gearbox, however, when the split gearbox is used, oil leakage of the gearbox is caused due to the effect of pressure, and the service life of the helicopter is reduced.
The split type gearbox, the first gearbox 3 and the second gearbox 4 are meshed through gears, power is input by the second gearbox 4 and is transmitted to the first gearbox 3 through the gears, and then is transmitted to the helicopter main shaft 5 through the first gearbox 3, so that the speed change and the transmission of the power are realized. In actual operation, the lubricating oil in the first gearbox 3 permeates into the second gearbox 4 through components such as gears, and because power is transmitted from the second gearbox 4, the pressure in the second gearbox 4 is large, the lubricating oil is accumulated in the second gearbox 4, and because of the effect of pressure, the sealing element and the box gap of the second gearbox 4 are pressurized, and thus the phenomenon of oil leakage easily occurs in the second gearbox 4.
The inventors have studied the oil leakage phenomenon of the split type transmission 4 carefully, and found that the problem of oil leakage is caused by the fact that the lubricating oil in the first transmission 3 permeates into the second transmission 4 and the oil leakage phenomenon is generated under the action of pressure. The gearbox lubrication system is particularly suitable for lubrication of the split gearbox. Through setting up two pipes for second gearbox 4 not only plays the effect of change gear ratio, still has the function of gear pump simultaneously, it can be through the pipe of one side (like first pipe 1), extract lubricating oil in from first gearbox 3, the pipe of rethread opposite side (like second pipe 2) flows back to big gearbox in, form the lubrication system of closed loop, make the lubrication fluid flow through first gearbox 3, every corner of second gearbox 4, it is more abundant to lubricate, alleviate the accumulation of pressure and lubricating oil in the second gearbox 4 simultaneously, utilize the pressure of second gearbox 4, in with the timely direction back of lubricating oil in the first gearbox 3, can realize the effect of lubrication, can prevent the emergence of oil leak problem again.
Simultaneously, the gear rotation speed in the second gearbox 4 is higher than the gear rotation speed in the first gearbox 3, and the space is smaller, so that the pressure in the second gearbox 4 is higher than the pressure in the first gearbox 3, the pressure in the second gearbox 4 can be reduced by the guide pipe, the pressure difference is reduced, the pressures in the first gearbox 3 and the second gearbox 4 are balanced, the pressure and damage to sealing elements in the second gearbox 4 are reduced, and the oil leakage phenomenon is avoided.
Preferably, one ends of the first conduit 1 and the second conduit 2 are respectively disposed at an upper portion of the first gearbox 3, and the other ends of the first conduit 1 and the second conduit 2 are respectively disposed at two sides of the second gearbox 4.
The lubricating oil is usually located at the bottom of the first gearbox 3, and by arranging one ends of the first conduit 1 and the second conduit 2 at the upper part of the first gearbox 3 respectively, when the lubricating oil is extracted from the first gearbox 3 or the lubricating oil is refluxed into the first gearbox 3, the lubricating oil can flow through parts such as gears and bearings in the first gearbox 3, so that the first gearbox 3 can be lubricated better.
Preferably, the first gearbox 3 specifically comprises a transition gear shaft 301 arranged in the first gearbox 3, one end of the transition gear shaft 301 is fixedly connected with a bevel gear 302, and the bevel gear 302 is meshed with the second gearbox 4; the other end of the transition gear shaft 301 is respectively meshed with an upper fluted disc 303 and a steering gear, the steering gear is meshed with a lower fluted disc 304, and the upper fluted disc 303 and the lower fluted disc 304 are fixedly connected with the main shaft 5.
The parts inside the first gearbox 3 may be fixed or meshed by means of bearings, gears etc. to realize the function of speed change. In the present invention, both end portions of the transitional gear shaft 301 are respectively fixed to the inner rings of the bearings, and the outer rings of the bearings are respectively fixed to the first transmission case 3. The gears on the transition gear shaft 301 are respectively meshed with an upper fluted disc 303 and a steering gear, and the steering gear is meshed with a lower fluted disc 304. The upper and lower toothed plates 303, 304 simultaneously rotate as the transition gear shaft 301 rotates.
Preferably, the connection between the first conduit 1 and the first gearbox 3 and the connection between the second conduit 2 and the first gearbox 3 are respectively arranged on the box body of the first gearbox 3 above the upper fluted disc 303.
Preferably, the box body of the first gearbox 1 comprises an upper box body and a lower box body, the upper box body is detachably connected with the lower box body, and the connection part of the first guide pipe 1 and the first gearbox 3 and the connection part of the second guide pipe 2 and the first gearbox 3 are respectively arranged on the upper box body of the first gearbox 3.
One ends of the first conduit 1 and the second conduit 2 are respectively disposed at an upper portion of the first gearbox 3, and may be disposed on the first gearbox 3 housing above the upper fluted disc 303, or may be disposed on an upper housing of the first gearbox 3.
Preferably, the second gearbox 4 specifically includes an input wheel 401 connected to a power source, the input wheel 401 is fixedly connected with an input gear shaft 402, the input gear shaft 402 is meshed with an output gear shaft 403, an input bevel gear 404 is fixedly connected to the output gear shaft 403, and the input bevel gear 404 is meshed with the bevel gear 302 of the first gearbox 3.
In the invention, the parts inside the second gearbox 4 can be fixed or meshed in a manner of bearing, gear and the like so as to realize the speed changing function. In the present invention, the input wheel 401 is fixedly connected to one end of the input gear shaft 402 by means of threads or the like, the input wheel 401 is fixed to an inner ring of a bearing, and an outer ring of the bearing is fixed to the second transmission case 4. The other end of the input gear shaft 402 may also be fixed to an inner ring of a bearing, and an outer ring of the bearing is fixed to the second gearbox 4. The gears of the input gear shaft 402 are meshed with the gears of the output gear shaft 403, two ends of the output gear shaft 403 are respectively fixed on the inner rings of the bearings, the outer rings of the bearings are respectively fixed on the second gearbox 4, the output gear shaft 403 is fixedly connected with the input bevel gear 404, and the input bevel gear 404 is meshed with the bevel gear 302 of the first gearbox 3.
When the input wheel 401 rotates, the input gear shaft 402 is driven to rotate, the input gear shaft 402 drives the output gear shaft 403 to rotate, the output gear shaft 403 drives the input bevel gear 404 fixedly connected with the input gear shaft 403 to rotate, the input bevel gear 404 drives the bevel gear 302 meshed with the input bevel gear 404 to rotate, the bevel gear 302 rotates to drive the transition gear shaft 301 to rotate, and then the upper fluted disc 303 and the steering gear are driven to rotate, so that the lower fluted disc 304 is driven to rotate.
Preferably, the connection between the first conduit 1 and the second gearbox 4 is arranged on the box body on one side of the second gearbox 4 at the meshing position of the input gear shaft 402 and the output gear shaft 403, and the connection between the second conduit 2 and the second gearbox 4 is arranged on the box body on the other side of the second gearbox 4 at the meshing position of the input gear shaft 402 and the output gear shaft 403.
The second transmission case 4 is provided with an input gear shaft 402 and an output gear shaft 403, and the input gear shaft 402 is meshed with the output gear shaft 403. When the input gear shaft 402 rotates (for example, when the input gear shaft 402 rotates clockwise), the output gear shaft 403 is driven to rotate, at the gear engagement position, the input gear shaft 402 rotates clockwise, the output gear shaft 403 rotates anticlockwise, at the right side of the engaged gear set, the space is extruded, the pressure is increased, a lubrication oil outlet of the second gearbox 4 is formed, and lubrication oil flows out from the second gearbox 4 into the first gearbox 3 through the second conduit 2; on the left side of the meshing gear set, the space is increased, vacuum is formed, the pressure is reduced, a lubricating oil inlet of the second gearbox 4 is formed, the lubricating oil is sucked out of the first gearbox 3 and flows out of the first guide pipe 1 into the lubricating oil, and therefore a closed circulating system of the lubricating oil is formed.
The connection part of the first guide pipe 1 and the second gearbox 4 is arranged on one side of the second gearbox 4 at the meshing position of the input gear shaft 402 and the output gear shaft 403, the connection part of the second guide pipe 2 and the second gearbox 4 is arranged on the other side of the second gearbox 4 at the meshing position of the input gear shaft 402 and the output gear shaft 403, and lubricating oil is circulated by utilizing the gear pump effect formed by the input gear shaft 402 and the output gear shaft 403, so that lubricating liquid better flows through each corner of the gearbox, and internal components of the gearbox are lubricated more fully; meanwhile, the pressure in the gearbox can be balanced, the damage of a sealing element or a box body caused by unbalanced pressure or overhigh partial pressure is reduced, and oil leakage of the gearbox is avoided.
Preferably, the first gearbox 3 is fixedly connected with the second gearbox 4.
The first gearbox 3 and the second gearbox 4 may be fixedly connected by bolts or other means to form an integrated gearbox.
A gearbox comprising the gearbox lubrication system described above.
A helicopter comprises the gearbox.
The invention also provides a gearbox and a helicopter using the lubricating system.
The invention sets the first conduit 1 and the second conduit 2 on the upper part of the first gearbox 3 and on both sides of the second gearbox 4, circulates the lubricating oil in the two gearboxes through the gear pump formed by the input gear shaft 402 and the output gear shaft 403 in the second gearbox 4, so that the lubrication in the whole gearbox is more sufficient. Meanwhile, the first guide pipe 1 and the second guide pipe 2 provided by the invention can balance the internal pressure of the gearbox, reduce the pressure on the sealing element and the joint of the gearbox and reduce the risk of oil leakage of the gearbox.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The transmission lubrication system is characterized by comprising a first guide pipe (1) and a second guide pipe (2), wherein one ends of the first guide pipe (1) and the second guide pipe (2) are respectively arranged on a first transmission (3) connected with a main shaft (5), the other ends of the first guide pipe (1) and the second guide pipe (2) are respectively arranged on a second transmission (4) connected with a power source, the first transmission (3) and the second transmission (4) are meshed through gears, power is input by the second transmission (4) and transmitted to the first transmission (3) through the gears, lubricating oil is extracted from the first transmission (3) through the first guide pipe (1) on one side, and then flows back into the first transmission (4) through the second guide pipe (2) on the other side to form a closed-loop lubrication system;
the first gearbox (3) comprises a transition gear shaft (301) arranged in the first gearbox (3), one end of the transition gear shaft (301) is fixedly connected with a bevel gear (302), and the bevel gear (302) is meshed with the second gearbox (4); the other end of the transition gear shaft (301) is respectively meshed with an upper fluted disc (303) and a steering gear, the steering gear is meshed with a lower fluted disc (304), and the upper fluted disc (303) and the lower fluted disc (304) are fixedly connected with the main shaft (5).
2. The system according to claim 1, wherein one end of the first conduit (1) and one end of the second conduit (2) are respectively arranged at the upper part of the first gearbox (3), and the other ends of the first conduit (1) and the second conduit (2) are respectively arranged at two sides of the second gearbox (4).
3. The system according to claim 1, characterized in that the connection of the first conduit (1) to the first gearbox (3) and the connection of the second conduit (2) to the first gearbox (3) are respectively arranged on the first gearbox (3) housing above the upper toothed disc (303).
4. A system according to claim 3, characterized in that the housing of the first gearbox (1) comprises an upper housing and a lower housing, the upper housing being detachably connected to the lower housing, the connection of the first conduit (1) to the first gearbox (3), the connection of the second conduit (2) to the first gearbox (3) being arranged on the upper housing of the first gearbox (3) respectively.
5. The system according to claim 1, characterized in that the second gearbox (4) comprises in particular an input wheel (401) connected to a power source, the input wheel (401) being fixedly connected to an input gear shaft (402), the input gear shaft (402) being in engagement with an output gear shaft (403), an input bevel gear (404) being fixedly connected to the output gear shaft (403), the input bevel gear (404) being in engagement with the bevel gear (302) of the first gearbox (3).
6. The system according to claim 5, characterized in that the connection of the first conduit (1) and the second gearbox (4) is arranged on a box on one side of the second gearbox (4) where the input gear shaft (402) and the output gear shaft (403) are meshed, and the connection of the second conduit (2) and the second gearbox (4) is arranged on a box on the other side of the second gearbox (4) where the input gear shaft (402) and the output gear shaft (403) are meshed.
7. The system according to any one of claims 1-6, characterized in that the first gearbox (3) is fixedly connected with the second gearbox (4).
8. A gearbox comprising a gearbox lubrication system according to any one of claims 1-7.
9. A helicopter comprising the gearbox of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868588.6A CN107477173B (en) | 2017-09-22 | 2017-09-22 | Gearbox lubricating system and gearbox and helicopter using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868588.6A CN107477173B (en) | 2017-09-22 | 2017-09-22 | Gearbox lubricating system and gearbox and helicopter using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107477173A CN107477173A (en) | 2017-12-15 |
| CN107477173B true CN107477173B (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710868588.6A Active CN107477173B (en) | 2017-09-22 | 2017-09-22 | Gearbox lubricating system and gearbox and helicopter using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477173B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177948A (en) * | 1995-12-21 | 1997-07-11 | Nissan Motor Co Ltd | Lubricating structure of gear equipment |
| CN102730193A (en) * | 2012-06-20 | 2012-10-17 | 清华大学 | Helicopter power system and helicopter with system |
| CN103322172A (en) * | 2012-03-19 | 2013-09-25 | 南车戚墅堰机车车辆工艺研究所有限公司 | Lubricating oil circulating system of gear box |
| CN204942483U (en) * | 2015-07-27 | 2016-01-06 | 包头市塞北机械设备有限责任公司 | Box assembly before gearbox |
| CN206320240U (en) * | 2016-12-23 | 2017-07-11 | 无锡英特帕普威孚液压有限责任公司 | The power takeoff lubricated with two-chamber |
| CN207161694U (en) * | 2017-09-22 | 2018-03-30 | 湖南省库塔科技有限公司 | A kind of speed changing box lubricating system and gearbox, the helicopter using the lubricating system |
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2017
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09177948A (en) * | 1995-12-21 | 1997-07-11 | Nissan Motor Co Ltd | Lubricating structure of gear equipment |
| CN103322172A (en) * | 2012-03-19 | 2013-09-25 | 南车戚墅堰机车车辆工艺研究所有限公司 | Lubricating oil circulating system of gear box |
| CN102730193A (en) * | 2012-06-20 | 2012-10-17 | 清华大学 | Helicopter power system and helicopter with system |
| CN204942483U (en) * | 2015-07-27 | 2016-01-06 | 包头市塞北机械设备有限责任公司 | Box assembly before gearbox |
| CN206320240U (en) * | 2016-12-23 | 2017-07-11 | 无锡英特帕普威孚液压有限责任公司 | The power takeoff lubricated with two-chamber |
| CN207161694U (en) * | 2017-09-22 | 2018-03-30 | 湖南省库塔科技有限公司 | A kind of speed changing box lubricating system and gearbox, the helicopter using the lubricating system |
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| CN107477173A (en) | 2017-12-15 |
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